Homework #7
Jason Lee, a student in the department of Life Sciences,got the mRNA from a plant.Here is the sequence:
1 atccactact tcatcataaa cctcacaact actattctat cttctcttct ctaattttca 61 taatcattaa gaatggaaat ggttaacaag attgcatgct ttgtgctttt atgcatggta 121 gtggttgcac cccatgcaga ggcactaact tgtggtcaag ttacatctac cttggctcct 181 tgtctccctt atctaatgaa tcgcggtcct ctcggaggct gttgtggtgg tgttaagggt 241 cttttgggtc aagcccagac tacagtagac cgacagaccg catgcacttg cctaaaatca 301 gctgcttctt cttttacagg ccttgatttg ggcaaagctg ctagtctccc tagcacttgt 361 agtgtcaaca tcccttacaa gatcagcccc tctactgact gctctaaagt tcagtaaagc 421 tgatcatcag aatttggttt catgaggaga attaagaata agatagatag cattgatctt 481 gcttatggat cctttctttc tatgttgtat cagttgtcac tttctgtttt ttctgtgttt 541 cctttaaatt ctcgtatgta gtcgagtctt gtatcgaaat ttgacgattg attatattgt 601 atcagttgtt actttctgtt ttcctgtgtt tcttttaaaa tcgtatgtag tcgagtcttg 661 tatcgaaatt tcccgattgg ctatgttgta ttaatctaat ctttgataat acacatctat 721 cttatttggt
1. Please help him to translate the DNA sequence to protein sequence.
Ans:>gi|1519357|gb|AAB07487.1| lipid transfer protein 2
MEMVNKIACFVLLCMVVVAPHAEALTCGQVTSTLAPCLPY
LMNRGPLGGCCGGVKGLLGQAQTTVDRQTACTCLKSAAS
SFTGLDLGKAASLPSTCSVNIPYKISPSTDCSKVQ
2. Please help him to identify the complete cds of this gene.
Ans:Lycopersicon pennellii lipid transfer protein
1 gtaatccagc taagaacgtc agaagtaaaa caaacttgtc gtaaaatatt taatttgaag
61 ttgtatttaa atcttaatta ttttttttta aagctatact cacatcattt caattattct
121 ttttgtaaaa gtatctctag agcttcataa tttttttttt aaaaatcttc gatcaaactg
181 ttagagtagg taaaagtctc acattgatgg ggaaatagac tgattatttg cttataagga
241 tgtggacaat actcctctca tataatagca tttaagatta aattagacct aaataacata
301 ttttagcatg atattagagt tatattcatt cttgtttgaa cttccgatcc acatctcaat
361 tggatctaca taaaaaaggg atattaaagt aagtaaaagc cctacattaa tcgaggaatc
421 tacttatacg aactttggtg ataaaaaaaa agactcctac acgtaagatg ttagaactag
481 ctaccacatg actttagagc cagcataata atgtacacca tcaaaatgct ttaaattttc
541 aacctaacaa ccaactacct ctctcactcc tccattggcc atctactcca aatttccctc
601 tataaaaaca ctcaaccaaa acacatttct tctcatccac tacttcatca taaacctcac
661 aactactatt ctatcttctc ttctctaatt ttcataatca ttaagaatgg aaatggttaa
721 caagattgca tgctttgtgc ttttatgcat ggtagtggtt gcaccccatg cagaggcact
781 aacttgtggt caagttacat ctaccttggc tccttgtctc ccttatctaa tgaatcgcgg
841 tcctctcgga ggctgttgtg gtggtgttaa gggtcttttg ggtcaagccc agactacagt
901 agaccgacag accgcatgca cttgcctaaa atcagctgct tcttctttta caggccttga
961 tttgggcaaa gctgctagtc tccctagcac ttgtagtgtc aacatccctt acaagatcag
1021 cccctctact gactgctcta agtatgttaa tttttcatct tttttgacct ataacaacac
1081 ctaactcttc gtattaatcc tagtacgaaa aataaagtaa caaaaaaatg atatgtgcta
1141 gcacattgtc acaatatgac atgcaagtgt gtttggtttt ctcaaaaaat aagtggattt
1201 tttatttata ttttagtgtt aagaaatatt agtttaaaaa tatttatata tgtaattata
1261 aagaaaaaag atactattat agttagtaca ttatgttttt gttatcatta tcattattat
1321 tattattaat gttggttttg ttcattgtta atgcagagtt cagtaaagct gatcatcaga
1381 atttggtttc atgaggagaa ttaagaataa gatagatagc attgatcttg cttatggatc
1441 ctttctttct atgttgtatc agttgtcact ttctgttttt tctgtgtttc ctttaaattc
1501 tcgtatgtag tcgagtcttg tatcgaaatt tgacgattga ttatattgta tcagttgtta
1561 ctttctgttt tcctgtgttt cttttaaaat cgtatgtagt cgagtcttgt atcgaaattt
1621 cccgattggc tatgttgtat taatctaatc tttgataata cacatctatc ttatttggta
1681 tatgtactct ctcgtctatt caatattttt ggtctacttt tactagggtt tttttaatat
1741 gcattacaca tatatatcaa attcgagtaa tatatagtat acgctattgt gtgctcattc
1801 atctaggtac ctcctttttc taaccacttc ttacacgtac aatgctaatt attg
Use the graphic view to explain all the features of this gene.
Ans:graphic view-1
graphic view-23.After translation of this gene, please help him to do the protein sequence analysis
(including pI, mol. wt., secondary structure prediction, hydrophobic profile,homology search, prosite scanning..........)
Ans:
Number of amino acids 114 Molecular weight 11715.8 Theoretical pI 8.36 Amino acid composition linkage Atomic composition linkage molecular weight linkage hydrophobic profile linkage secondary structure prediction alpha-helix beta-sheet homology search linkage prosite scanning linkage